What really happened to Dorothy’s ruby slippers that went missing in Grand Rapids? Actor Melissa McCarthy freaked out over them in a recent TV special promoting the opening of the Academy Museum of Motion Pictures in Los Angeles. During his concert at Treasure Island Casino in Red Wing earlier this month, singer Christopher Cross joked that he contemplated stealing them from Liza Minnelli’s house. But few have been as obsessed with the ruby slippers from “The Wizard of Oz” as the two journalists behind a new podcast. “There’s No Place Like Home,” an eight-part series from C13 Originals, focuses on the pair that went missing from the Judy Garland Museum in Grand Rapids, Minn., in August 2005. The shoes then mysteriously reappeared 13 years later during an FBI sting operation. Seyward Darby, editor-in-chief of the Atavist Magazine, was mesmerized when she heard about the recovery and wanted to dive deeper. “I was looking for a true crime story that didn’t involve murder and dead girls,” Darby said a few weeks ago from her Brooklyn home. “There’s nothing really salacious in the slipper story and yet, it still has the cat-and-mouse qualities that lend itself to storytelling.” She quickly reached out to freelancer Ariel Ramchandani. Three weeks later, the reporter was making her maiden voyage to Minnesota.